Chicken Stroganoff (Weight Watchers Recipe)

Ingredients

• 2 ts All purpose flour
• 1 c onions Sliced
• 1 ts Red wine vinegar
• 2 c Mushrooms sliced
• 1 c Low-sodium chicken broth
• 1 ts Dijon-style mustard
• 3 tb Nonfat sour cream
• 1/4 ts Black pepper
• 1 tb Vegetable oil (I used PAM)
• 10 oz Skinless, boneless chicken